LG Rumor / Scoop / UX-260

Ok just got this phone and am wondering if there is any way other than to just send a bunch of messages to clear out a number from the recently sent messages menu after I sent a text message out. I can delete the message but when I go to send a new message it has a menu of the numbers/contacts that i sent my last messages to. Can a certain number be removed from this list or is there a way to disable this feature entirely? Thanks in advance for your help.